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Finding the Third Proportional to 60,820,990 and 132,349,532

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Solution

The third proportional to 60,820,990 and 132,349,532 is: 287,999,235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,820,990 : 132,349,532 = 132,349,532 : x
  2. Step 2: Convert to fraction form
    60,820,990/132,349,532 = 132,349,532/x
  3. Step 3: Cross multiply
    60,820,990x = 132,349,532 × 132,349,532
  4. Step 4: Simplify right side
    60,820,990x = 17,516,398,620,619,024
  5. Step 5: Solve for x
    x = 17,516,398,620,619,024/60,820,990
  6. Step 6: Final answer
    x = 287,999,235.47

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.