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Finding the Third Proportional to 155,526 and 211,038

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Solution

The third proportional to 155,526 and 211,038 is: 286,363.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,526 : 211,038 = 211,038 : x
  2. Step 2: Convert to fraction form
    155,526/211,038 = 211,038/x
  3. Step 3: Cross multiply
    155,526x = 211,038 × 211,038
  4. Step 4: Simplify right side
    155,526x = 44,537,037,444
  5. Step 5: Solve for x
    x = 44,537,037,444/155,526
  6. Step 6: Final answer
    x = 286,363.94

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.