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Finding the Third Proportional to 889,488 and 1,310,712

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Solution

The third proportional to 889,488 and 1,310,712 is: 1,931,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,488 : 1,310,712 = 1,310,712 : x
  2. Step 2: Convert to fraction form
    889,488/1,310,712 = 1,310,712/x
  3. Step 3: Cross multiply
    889,488x = 1,310,712 × 1,310,712
  4. Step 4: Simplify right side
    889,488x = 1,717,965,946,944
  5. Step 5: Solve for x
    x = 1,717,965,946,944/889,488
  6. Step 6: Final answer
    x = 1,931,409.92

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.