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Finding the Third Proportional to 573,209 and 1,249,421

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Solution

The third proportional to 573,209 and 1,249,421 is: 2,723,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,209 : 1,249,421 = 1,249,421 : x
  2. Step 2: Convert to fraction form
    573,209/1,249,421 = 1,249,421/x
  3. Step 3: Cross multiply
    573,209x = 1,249,421 × 1,249,421
  4. Step 4: Simplify right side
    573,209x = 1,561,052,835,241
  5. Step 5: Solve for x
    x = 1,561,052,835,241/573,209
  6. Step 6: Final answer
    x = 2,723,357.16

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.