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Finding the Third Proportional to 245,139 and 529,667

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Solution

The third proportional to 245,139 and 529,667 is: 1,144,441.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,139 : 529,667 = 529,667 : x
  2. Step 2: Convert to fraction form
    245,139/529,667 = 529,667/x
  3. Step 3: Cross multiply
    245,139x = 529,667 × 529,667
  4. Step 4: Simplify right side
    245,139x = 280,547,130,889
  5. Step 5: Solve for x
    x = 280,547,130,889/245,139
  6. Step 6: Final answer
    x = 1,144,441.04

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.