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Finding the Third Proportional to 786,358 and 1,186,036

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Solution

The third proportional to 786,358 and 1,186,036 is: 1,788,856.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,358 : 1,186,036 = 1,186,036 : x
  2. Step 2: Convert to fraction form
    786,358/1,186,036 = 1,186,036/x
  3. Step 3: Cross multiply
    786,358x = 1,186,036 × 1,186,036
  4. Step 4: Simplify right side
    786,358x = 1,406,681,393,296
  5. Step 5: Solve for x
    x = 1,406,681,393,296/786,358
  6. Step 6: Final answer
    x = 1,788,856.21

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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.