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Finding the Third Proportional to 249,869 and 549,492

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Solution

The third proportional to 249,869 and 549,492 is: 1,208,399.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,869 : 549,492 = 549,492 : x
  2. Step 2: Convert to fraction form
    249,869/549,492 = 549,492/x
  3. Step 3: Cross multiply
    249,869x = 549,492 × 549,492
  4. Step 4: Simplify right side
    249,869x = 301,941,458,064
  5. Step 5: Solve for x
    x = 301,941,458,064/249,869
  6. Step 6: Final answer
    x = 1,208,399.03

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.