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Finding the Third Proportional to 29,787,386 and 64,279,574

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Solution

The third proportional to 29,787,386 and 64,279,574 is: 138,711,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,787,386 : 64,279,574 = 64,279,574 : x
  2. Step 2: Convert to fraction form
    29,787,386/64,279,574 = 64,279,574/x
  3. Step 3: Cross multiply
    29,787,386x = 64,279,574 × 64,279,574
  4. Step 4: Simplify right side
    29,787,386x = 4,131,863,633,621,476
  5. Step 5: Solve for x
    x = 4,131,863,633,621,476/29,787,386
  6. Step 6: Final answer
    x = 138,711,857.21

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.