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Finding the Third Proportional to 30,203,413 and 45,308,359

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Solution

The third proportional to 30,203,413 and 45,308,359 is: 67,967,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,203,413 : 45,308,359 = 45,308,359 : x
  2. Step 2: Convert to fraction form
    30,203,413/45,308,359 = 45,308,359/x
  3. Step 3: Cross multiply
    30,203,413x = 45,308,359 × 45,308,359
  4. Step 4: Simplify right side
    30,203,413x = 2,052,847,395,272,881
  5. Step 5: Solve for x
    x = 2,052,847,395,272,881/30,203,413
  6. Step 6: Final answer
    x = 67,967,398.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.