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Finding the Third Proportional to 1,021,473 and 1,645,865

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Solution

The third proportional to 1,021,473 and 1,645,865 is: 2,651,926.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,473 : 1,645,865 = 1,645,865 : x
  2. Step 2: Convert to fraction form
    1,021,473/1,645,865 = 1,645,865/x
  3. Step 3: Cross multiply
    1,021,473x = 1,645,865 × 1,645,865
  4. Step 4: Simplify right side
    1,021,473x = 2,708,871,598,225
  5. Step 5: Solve for x
    x = 2,708,871,598,225/1,021,473
  6. Step 6: Final answer
    x = 2,651,926.77

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.