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Finding the Third Proportional to 1,865,667 and 3,955,534

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Solution

The third proportional to 1,865,667 and 3,955,534 is: 8,386,410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,667 : 3,955,534 = 3,955,534 : x
  2. Step 2: Convert to fraction form
    1,865,667/3,955,534 = 3,955,534/x
  3. Step 3: Cross multiply
    1,865,667x = 3,955,534 × 3,955,534
  4. Step 4: Simplify right side
    1,865,667x = 15,646,249,225,156
  5. Step 5: Solve for x
    x = 15,646,249,225,156/1,865,667
  6. Step 6: Final answer
    x = 8,386,410.45

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.