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Finding the Third Proportional to 152,559,421.88 and 331,126,272

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Solution

The third proportional to 152,559,421.88 and 331,126,272 is: 718,700,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,559,421.88 : 331,126,272 = 331,126,272 : x
  2. Step 2: Convert to fraction form
    152,559,421.88/331,126,272 = 331,126,272/x
  3. Step 3: Cross multiply
    152,559,421.88x = 331,126,272 × 331,126,272
  4. Step 4: Simplify right side
    152,559,421.88x = 109,644,608,008,617,984
  5. Step 5: Solve for x
    x = 109,644,608,008,617,984/152,559,421.88
  6. Step 6: Final answer
    x = 718,700,993.10

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.