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Finding the Third Proportional to 29,891,988 and 64,368,494

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Solution

The third proportional to 29,891,988 and 64,368,494 is: 138,609,149.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,891,988 : 64,368,494 = 64,368,494 : x
  2. Step 2: Convert to fraction form
    29,891,988/64,368,494 = 64,368,494/x
  3. Step 3: Cross multiply
    29,891,988x = 64,368,494 × 64,368,494
  4. Step 4: Simplify right side
    29,891,988x = 4,143,303,019,828,036
  5. Step 5: Solve for x
    x = 4,143,303,019,828,036/29,891,988
  6. Step 6: Final answer
    x = 138,609,149.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.