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Finding the Third Proportional to 223,547 and 338,210

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Solution

The third proportional to 223,547 and 338,210 is: 511,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,547 : 338,210 = 338,210 : x
  2. Step 2: Convert to fraction form
    223,547/338,210 = 338,210/x
  3. Step 3: Cross multiply
    223,547x = 338,210 × 338,210
  4. Step 4: Simplify right side
    223,547x = 114,386,004,100
  5. Step 5: Solve for x
    x = 114,386,004,100/223,547
  6. Step 6: Final answer
    x = 511,686.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.