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Finding the Third Proportional to 130,431,073.50 and 281,291,031

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Solution

The third proportional to 130,431,073.50 and 281,291,031 is: 606,639,522.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,431,073.50 : 281,291,031 = 281,291,031 : x
  2. Step 2: Convert to fraction form
    130,431,073.50/281,291,031 = 281,291,031/x
  3. Step 3: Cross multiply
    130,431,073.50x = 281,291,031 × 281,291,031
  4. Step 4: Simplify right side
    130,431,073.50x = 79,124,644,121,042,960
  5. Step 5: Solve for x
    x = 79,124,644,121,042,960/130,431,073.50
  6. Step 6: Final answer
    x = 606,639,522.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.