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Finding the Third Proportional to 8,955,574 and 19,586,630

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Solution

The third proportional to 8,955,574 and 19,586,630 is: 42,837,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955,574 : 19,586,630 = 19,586,630 : x
  2. Step 2: Convert to fraction form
    8,955,574/19,586,630 = 19,586,630/x
  3. Step 3: Cross multiply
    8,955,574x = 19,586,630 × 19,586,630
  4. Step 4: Simplify right side
    8,955,574x = 383,636,074,756,900
  5. Step 5: Solve for x
    x = 383,636,074,756,900/8,955,574
  6. Step 6: Final answer
    x = 42,837,686.87

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.