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Finding the Third Proportional to 991,931 and 1,484,056

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Solution

The third proportional to 991,931 and 1,484,056 is: 2,220,338.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,931 : 1,484,056 = 1,484,056 : x
  2. Step 2: Convert to fraction form
    991,931/1,484,056 = 1,484,056/x
  3. Step 3: Cross multiply
    991,931x = 1,484,056 × 1,484,056
  4. Step 4: Simplify right side
    991,931x = 2,202,422,211,136
  5. Step 5: Solve for x
    x = 2,202,422,211,136/991,931
  6. Step 6: Final answer
    x = 2,220,338.12

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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.