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Finding the Third Proportional to 368,892.98 and 553,681.83

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Solution

The third proportional to 368,892.98 and 553,681.83 is: 831,036.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,892.98 : 553,681.83 = 553,681.83 : x
  2. Step 2: Convert to fraction form
    368,892.98/553,681.83 = 553,681.83/x
  3. Step 3: Cross multiply
    368,892.98x = 553,681.83 × 553,681.83
  4. Step 4: Simplify right side
    368,892.98x = 306,563,566,795.84
  5. Step 5: Solve for x
    x = 306,563,566,795.84/368,892.98
  6. Step 6: Final answer
    x = 831,036.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.