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Finding the Third Proportional to 28,170,169 and 61,158,534

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Solution

The third proportional to 28,170,169 and 61,158,534 is: 132,777,559.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,170,169 : 61,158,534 = 61,158,534 : x
  2. Step 2: Convert to fraction form
    28,170,169/61,158,534 = 61,158,534/x
  3. Step 3: Cross multiply
    28,170,169x = 61,158,534 × 61,158,534
  4. Step 4: Simplify right side
    28,170,169x = 3,740,366,281,029,156
  5. Step 5: Solve for x
    x = 3,740,366,281,029,156/28,170,169
  6. Step 6: Final answer
    x = 132,777,559.16

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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.