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Finding the Third Proportional to 121,525,029 and 173,656,386

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Solution

The third proportional to 121,525,029 and 173,656,386 is: 248,150,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,525,029 : 173,656,386 = 173,656,386 : x
  2. Step 2: Convert to fraction form
    121,525,029/173,656,386 = 173,656,386/x
  3. Step 3: Cross multiply
    121,525,029x = 173,656,386 × 173,656,386
  4. Step 4: Simplify right side
    121,525,029x = 30,156,540,398,580,996
  5. Step 5: Solve for x
    x = 30,156,540,398,580,996/121,525,029
  6. Step 6: Final answer
    x = 248,150,859.51

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.