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Finding the Third Proportional to 358,287 and 549,871.75

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Solution

The third proportional to 358,287 and 549,871.75 is: 843,901.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,287 : 549,871.75 = 549,871.75 : x
  2. Step 2: Convert to fraction form
    358,287/549,871.75 = 549,871.75/x
  3. Step 3: Cross multiply
    358,287x = 549,871.75 × 549,871.75
  4. Step 4: Simplify right side
    358,287x = 302,358,941,448.06
  5. Step 5: Solve for x
    x = 302,358,941,448.06/358,287
  6. Step 6: Final answer
    x = 843,901.51

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.