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Finding the Third Proportional to 368,030 and 553,887

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Solution

The third proportional to 368,030 and 553,887 is: 833,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,030 : 553,887 = 553,887 : x
  2. Step 2: Convert to fraction form
    368,030/553,887 = 553,887/x
  3. Step 3: Cross multiply
    368,030x = 553,887 × 553,887
  4. Step 4: Simplify right side
    368,030x = 306,790,808,769
  5. Step 5: Solve for x
    x = 306,790,808,769/368,030
  6. Step 6: Final answer
    x = 833,602.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.