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Finding the Third Proportional to 838,403 and 1,122,430

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Solution

The third proportional to 838,403 and 1,122,430 is: 1,502,677.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,403 : 1,122,430 = 1,122,430 : x
  2. Step 2: Convert to fraction form
    838,403/1,122,430 = 1,122,430/x
  3. Step 3: Cross multiply
    838,403x = 1,122,430 × 1,122,430
  4. Step 4: Simplify right side
    838,403x = 1,259,849,104,900
  5. Step 5: Solve for x
    x = 1,259,849,104,900/838,403
  6. Step 6: Final answer
    x = 1,502,677.24

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.