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Finding the Third Proportional to 390,071,567 and 534,882,895.50

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Solution

The third proportional to 390,071,567 and 534,882,895.50 is: 733,454,412.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,071,567 : 534,882,895.50 = 534,882,895.50 : x
  2. Step 2: Convert to fraction form
    390,071,567/534,882,895.50 = 534,882,895.50/x
  3. Step 3: Cross multiply
    390,071,567x = 534,882,895.50 × 534,882,895.50
  4. Step 4: Simplify right side
    390,071,567x = 286,099,711,898,463,936
  5. Step 5: Solve for x
    x = 286,099,711,898,463,936/390,071,567
  6. Step 6: Final answer
    x = 733,454,412.22

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.