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Finding the Third Proportional to 8,865,796 and 19,390,472

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Solution

The third proportional to 8,865,796 and 19,390,472 is: 42,409,097.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865,796 : 19,390,472 = 19,390,472 : x
  2. Step 2: Convert to fraction form
    8,865,796/19,390,472 = 19,390,472/x
  3. Step 3: Cross multiply
    8,865,796x = 19,390,472 × 19,390,472
  4. Step 4: Simplify right side
    8,865,796x = 375,990,404,382,784
  5. Step 5: Solve for x
    x = 375,990,404,382,784/8,865,796
  6. Step 6: Final answer
    x = 42,409,097.21

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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.