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Finding the Third Proportional to 142,495,402.50 and 311,226,057

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Solution

The third proportional to 142,495,402.50 and 311,226,057 is: 679,752,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,495,402.50 : 311,226,057 = 311,226,057 : x
  2. Step 2: Convert to fraction form
    142,495,402.50/311,226,057 = 311,226,057/x
  3. Step 3: Cross multiply
    142,495,402.50x = 311,226,057 × 311,226,057
  4. Step 4: Simplify right side
    142,495,402.50x = 96,861,658,555,767,248
  5. Step 5: Solve for x
    x = 96,861,658,555,767,248/142,495,402.50
  6. Step 6: Final answer
    x = 679,752,868.21

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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.