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Finding the Third Proportional to 504,656 and 781,284

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Solution

The third proportional to 504,656 and 781,284 is: 1,209,546.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,656 : 781,284 = 781,284 : x
  2. Step 2: Convert to fraction form
    504,656/781,284 = 781,284/x
  3. Step 3: Cross multiply
    504,656x = 781,284 × 781,284
  4. Step 4: Simplify right side
    504,656x = 610,404,688,656
  5. Step 5: Solve for x
    x = 610,404,688,656/504,656
  6. Step 6: Final answer
    x = 1,209,546.08

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.