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Finding the Third Proportional to 319,368 and 479,076

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Solution

The third proportional to 319,368 and 479,076 is: 718,650.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,368 : 479,076 = 479,076 : x
  2. Step 2: Convert to fraction form
    319,368/479,076 = 479,076/x
  3. Step 3: Cross multiply
    319,368x = 479,076 × 479,076
  4. Step 4: Simplify right side
    319,368x = 229,513,813,776
  5. Step 5: Solve for x
    x = 229,513,813,776/319,368
  6. Step 6: Final answer
    x = 718,650.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.