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Finding the Third Proportional to 15,639,471 and 32,366,430

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Solution

The third proportional to 15,639,471 and 32,366,430 is: 66,983,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639,471 : 32,366,430 = 32,366,430 : x
  2. Step 2: Convert to fraction form
    15,639,471/32,366,430 = 32,366,430/x
  3. Step 3: Cross multiply
    15,639,471x = 32,366,430 × 32,366,430
  4. Step 4: Simplify right side
    15,639,471x = 1,047,585,790,944,900
  5. Step 5: Solve for x
    x = 1,047,585,790,944,900/15,639,471
  6. Step 6: Final answer
    x = 66,983,454.30

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.