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Finding the Third Proportional to 8,865,792 and 19,390,464

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Solution

The third proportional to 8,865,792 and 19,390,464 is: 42,409,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865,792 : 19,390,464 = 19,390,464 : x
  2. Step 2: Convert to fraction form
    8,865,792/19,390,464 = 19,390,464/x
  3. Step 3: Cross multiply
    8,865,792x = 19,390,464 × 19,390,464
  4. Step 4: Simplify right side
    8,865,792x = 375,990,094,135,296
  5. Step 5: Solve for x
    x = 375,990,094,135,296/8,865,792
  6. Step 6: Final answer
    x = 42,409,081.35

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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.