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Finding the Third Proportional to 45,435,353 and 70,486,563

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Solution

The third proportional to 45,435,353 and 70,486,563 is: 109,349,993.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,435,353 : 70,486,563 = 70,486,563 : x
  2. Step 2: Convert to fraction form
    45,435,353/70,486,563 = 70,486,563/x
  3. Step 3: Cross multiply
    45,435,353x = 70,486,563 × 70,486,563
  4. Step 4: Simplify right side
    45,435,353x = 4,968,355,563,552,969
  5. Step 5: Solve for x
    x = 4,968,355,563,552,969/45,435,353
  6. Step 6: Final answer
    x = 109,349,993.68

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.