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Finding the Third Proportional to 162,977.63 and 249,328.13

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Solution

The third proportional to 162,977.63 and 249,328.13 is: 381,429.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,977.63 : 249,328.13 = 249,328.13 : x
  2. Step 2: Convert to fraction form
    162,977.63/249,328.13 = 249,328.13/x
  3. Step 3: Cross multiply
    162,977.63x = 249,328.13 × 249,328.13
  4. Step 4: Simplify right side
    162,977.63x = 62,164,513,916.02
  5. Step 5: Solve for x
    x = 62,164,513,916.02/162,977.63
  6. Step 6: Final answer
    x = 381,429.74

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.