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Finding the Third Proportional to 458,840 and 1,006,321

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Solution

The third proportional to 458,840 and 1,006,321 is: 2,207,048.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,840 : 1,006,321 = 1,006,321 : x
  2. Step 2: Convert to fraction form
    458,840/1,006,321 = 1,006,321/x
  3. Step 3: Cross multiply
    458,840x = 1,006,321 × 1,006,321
  4. Step 4: Simplify right side
    458,840x = 1,012,681,955,041
  5. Step 5: Solve for x
    x = 1,012,681,955,041/458,840
  6. Step 6: Final answer
    x = 2,207,048.11

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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.