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Finding the Third Proportional to 612,875,908 and 859,986,222

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Solution

The third proportional to 612,875,908 and 859,986,222 is: 1,206,730,909.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,875,908 : 859,986,222 = 859,986,222 : x
  2. Step 2: Convert to fraction form
    612,875,908/859,986,222 = 859,986,222/x
  3. Step 3: Cross multiply
    612,875,908x = 859,986,222 × 859,986,222
  4. Step 4: Simplify right side
    612,875,908x = 739,576,302,029,833,344
  5. Step 5: Solve for x
    x = 739,576,302,029,833,344/612,875,908
  6. Step 6: Final answer
    x = 1,206,730,909.76

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.