Home / 78,528,748.41-172,635,358.59

Finding the Third Proportional to 78,528,748.41 and 172,635,358.59

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Solution

The third proportional to 78,528,748.41 and 172,635,358.59 is: 379,516,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,528,748.41 : 172,635,358.59 = 172,635,358.59 : x
  2. Step 2: Convert to fraction form
    78,528,748.41/172,635,358.59 = 172,635,358.59/x
  3. Step 3: Cross multiply
    78,528,748.41x = 172,635,358.59 × 172,635,358.59
  4. Step 4: Simplify right side
    78,528,748.41x = 29,802,967,036,792,652
  5. Step 5: Solve for x
    x = 29,802,967,036,792,652/78,528,748.41
  6. Step 6: Final answer
    x = 379,516,643.80

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.