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Finding the Third Proportional to 374,290 and 575,316

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Solution

The third proportional to 374,290 and 575,316 is: 884,310.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,290 : 575,316 = 575,316 : x
  2. Step 2: Convert to fraction form
    374,290/575,316 = 575,316/x
  3. Step 3: Cross multiply
    374,290x = 575,316 × 575,316
  4. Step 4: Simplify right side
    374,290x = 330,988,499,856
  5. Step 5: Solve for x
    x = 330,988,499,856/374,290
  6. Step 6: Final answer
    x = 884,310.29

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.