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Finding the Third Proportional to 779,010 and 1,176,939

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Solution

The third proportional to 779,010 and 1,176,939 is: 1,778,135.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,010 : 1,176,939 = 1,176,939 : x
  2. Step 2: Convert to fraction form
    779,010/1,176,939 = 1,176,939/x
  3. Step 3: Cross multiply
    779,010x = 1,176,939 × 1,176,939
  4. Step 4: Simplify right side
    779,010x = 1,385,185,409,721
  5. Step 5: Solve for x
    x = 1,385,185,409,721/779,010
  6. Step 6: Final answer
    x = 1,778,135.59

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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.