Home / 77,981,943.75-168,967,526.25

Finding the Third Proportional to 77,981,943.75 and 168,967,526.25

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Solution

The third proportional to 77,981,943.75 and 168,967,526.25 is: 366,110,711.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,981,943.75 : 168,967,526.25 = 168,967,526.25 : x
  2. Step 2: Convert to fraction form
    77,981,943.75/168,967,526.25 = 168,967,526.25/x
  3. Step 3: Cross multiply
    77,981,943.75x = 168,967,526.25 × 168,967,526.25
  4. Step 4: Simplify right side
    77,981,943.75x = 28,550,024,927,044,440
  5. Step 5: Solve for x
    x = 28,550,024,927,044,440/77,981,943.75
  6. Step 6: Final answer
    x = 366,110,711.71

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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.