Home / 209,581,054,307.29-455,882,872,108.77

Finding the Third Proportional to 209,581,054,307.29 and 455,882,872,108.77

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Solution

The third proportional to 209,581,054,307.29 and 455,882,872,108.77 is: 991,641,127,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,581,054,307.29 : 455,882,872,108.77 = 455,882,872,108.77 : x
  2. Step 2: Convert to fraction form
    209,581,054,307.29/455,882,872,108.77 = 455,882,872,108.77/x
  3. Step 3: Cross multiply
    209,581,054,307.29x = 455,882,872,108.77 × 455,882,872,108.77
  4. Step 4: Simplify right side
    209,581,054,307.29x = 207,829,193,082,141,151,330,304
  5. Step 5: Solve for x
    x = 207,829,193,082,141,151,330,304/209,581,054,307.29
  6. Step 6: Final answer
    x = 991,641,127,911.40

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.