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Finding the Third Proportional to 245,776 and 368,856

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Solution

The third proportional to 245,776 and 368,856 is: 553,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,776 : 368,856 = 368,856 : x
  2. Step 2: Convert to fraction form
    245,776/368,856 = 368,856/x
  3. Step 3: Cross multiply
    245,776x = 368,856 × 368,856
  4. Step 4: Simplify right side
    245,776x = 136,054,748,736
  5. Step 5: Solve for x
    x = 136,054,748,736/245,776
  6. Step 6: Final answer
    x = 553,572.15

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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.