Home / 87,868,678.50-188,960,915.81

Finding the Third Proportional to 87,868,678.50 and 188,960,915.81

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Solution

The third proportional to 87,868,678.50 and 188,960,915.81 is: 406,358,992.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,868,678.50 : 188,960,915.81 = 188,960,915.81 : x
  2. Step 2: Convert to fraction form
    87,868,678.50/188,960,915.81 = 188,960,915.81/x
  3. Step 3: Cross multiply
    87,868,678.50x = 188,960,915.81 × 188,960,915.81
  4. Step 4: Simplify right side
    87,868,678.50x = 35,706,227,704,698,712
  5. Step 5: Solve for x
    x = 35,706,227,704,698,712/87,868,678.50
  6. Step 6: Final answer
    x = 406,358,992.92

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.