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Finding the Third Proportional to 143,876,291.50 and 316,450,397

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Solution

The third proportional to 143,876,291.50 and 316,450,397 is: 696,020,537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,876,291.50 : 316,450,397 = 316,450,397 : x
  2. Step 2: Convert to fraction form
    143,876,291.50/316,450,397 = 316,450,397/x
  3. Step 3: Cross multiply
    143,876,291.50x = 316,450,397 × 316,450,397
  4. Step 4: Simplify right side
    143,876,291.50x = 100,140,853,761,457,616
  5. Step 5: Solve for x
    x = 100,140,853,761,457,616/143,876,291.50
  6. Step 6: Final answer
    x = 696,020,537.63

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.