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Finding the Third Proportional to 166,878,331.88 and 245,492,791.88

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Solution

The third proportional to 166,878,331.88 and 245,492,791.88 is: 361,141,618.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,878,331.88 : 245,492,791.88 = 245,492,791.88 : x
  2. Step 2: Convert to fraction form
    166,878,331.88/245,492,791.88 = 245,492,791.88/x
  3. Step 3: Cross multiply
    166,878,331.88x = 245,492,791.88 × 245,492,791.88
  4. Step 4: Simplify right side
    166,878,331.88x = 60,266,710,862,582,064
  5. Step 5: Solve for x
    x = 60,266,710,862,582,064/166,878,331.88
  6. Step 6: Final answer
    x = 361,141,618.48

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.