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Finding the Third Proportional to 357,060 and 553,332

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Solution

The third proportional to 357,060 and 553,332 is: 857,492.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,060 : 553,332 = 553,332 : x
  2. Step 2: Convert to fraction form
    357,060/553,332 = 553,332/x
  3. Step 3: Cross multiply
    357,060x = 553,332 × 553,332
  4. Step 4: Simplify right side
    357,060x = 306,176,302,224
  5. Step 5: Solve for x
    x = 306,176,302,224/357,060
  6. Step 6: Final answer
    x = 857,492.58

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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.