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Finding the Third Proportional to 210,151.13 and 435,256.03

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Solution

The third proportional to 210,151.13 and 435,256.03 is: 901,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,151.13 : 435,256.03 = 435,256.03 : x
  2. Step 2: Convert to fraction form
    210,151.13/435,256.03 = 435,256.03/x
  3. Step 3: Cross multiply
    210,151.13x = 435,256.03 × 435,256.03
  4. Step 4: Simplify right side
    210,151.13x = 189,447,812,739.50
  5. Step 5: Solve for x
    x = 189,447,812,739.50/210,151.13
  6. Step 6: Final answer
    x = 901,483.70

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.