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Finding the Third Proportional to 349,916.63 and 724,740.75

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Solution

The third proportional to 349,916.63 and 724,740.75 is: 1,501,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,916.63 : 724,740.75 = 724,740.75 : x
  2. Step 2: Convert to fraction form
    349,916.63/724,740.75 = 724,740.75/x
  3. Step 3: Cross multiply
    349,916.63x = 724,740.75 × 724,740.75
  4. Step 4: Simplify right side
    349,916.63x = 525,249,154,710.56
  5. Step 5: Solve for x
    x = 525,249,154,710.56/349,916.63
  6. Step 6: Final answer
    x = 1,501,069.45

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.