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Finding the Third Proportional to 213,246 and 456,020

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Solution

The third proportional to 213,246 and 456,020 is: 975,184.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,246 : 456,020 = 456,020 : x
  2. Step 2: Convert to fraction form
    213,246/456,020 = 456,020/x
  3. Step 3: Cross multiply
    213,246x = 456,020 × 456,020
  4. Step 4: Simplify right side
    213,246x = 207,954,240,400
  5. Step 5: Solve for x
    x = 207,954,240,400/213,246
  6. Step 6: Final answer
    x = 975,184.72

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.