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Finding the Third Proportional to 39,605,346 and 63,019,890

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Solution

The third proportional to 39,605,346 and 63,019,890 is: 100,277,031.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,605,346 : 63,019,890 = 63,019,890 : x
  2. Step 2: Convert to fraction form
    39,605,346/63,019,890 = 63,019,890/x
  3. Step 3: Cross multiply
    39,605,346x = 63,019,890 × 63,019,890
  4. Step 4: Simplify right side
    39,605,346x = 3,971,506,535,612,100
  5. Step 5: Solve for x
    x = 3,971,506,535,612,100/39,605,346
  6. Step 6: Final answer
    x = 100,277,031.68

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.