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Finding the Third Proportional to 1,920,718,549.50 and 4,446,186,609.75

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Solution

The third proportional to 1,920,718,549.50 and 4,446,186,609.75 is: 10,292,281,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,718,549.50 : 4,446,186,609.75 = 4,446,186,609.75 : x
  2. Step 2: Convert to fraction form
    1,920,718,549.50/4,446,186,609.75 = 4,446,186,609.75/x
  3. Step 3: Cross multiply
    1,920,718,549.50x = 4,446,186,609.75 × 4,446,186,609.75
  4. Step 4: Simplify right side
    1,920,718,549.50x = 19,768,575,368,720,199,680
  5. Step 5: Solve for x
    x = 19,768,575,368,720,199,680/1,920,718,549.50
  6. Step 6: Final answer
    x = 10,292,281,174.60

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.