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Finding the Third Proportional to 245,346 and 529,359

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Solution

The third proportional to 245,346 and 529,359 is: 1,142,145.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,346 : 529,359 = 529,359 : x
  2. Step 2: Convert to fraction form
    245,346/529,359 = 529,359/x
  3. Step 3: Cross multiply
    245,346x = 529,359 × 529,359
  4. Step 4: Simplify right side
    245,346x = 280,220,950,881
  5. Step 5: Solve for x
    x = 280,220,950,881/245,346
  6. Step 6: Final answer
    x = 1,142,145.99

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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.