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Finding the Third Proportional to 19,144,465 and 40,979,969

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Solution

The third proportional to 19,144,465 and 40,979,969 is: 87,720,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144,465 : 40,979,969 = 40,979,969 : x
  2. Step 2: Convert to fraction form
    19,144,465/40,979,969 = 40,979,969/x
  3. Step 3: Cross multiply
    19,144,465x = 40,979,969 × 40,979,969
  4. Step 4: Simplify right side
    19,144,465x = 1,679,357,859,240,961
  5. Step 5: Solve for x
    x = 1,679,357,859,240,961/19,144,465
  6. Step 6: Final answer
    x = 87,720,281.51

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.