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Finding the Third Proportional to 30,603,639 and 64,661,248.50

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Solution

The third proportional to 30,603,639 and 64,661,248.50 is: 136,620,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,603,639 : 64,661,248.50 = 64,661,248.50 : x
  2. Step 2: Convert to fraction form
    30,603,639/64,661,248.50 = 64,661,248.50/x
  3. Step 3: Cross multiply
    30,603,639x = 64,661,248.50 × 64,661,248.50
  4. Step 4: Simplify right side
    30,603,639x = 4,181,077,057,578,752
  5. Step 5: Solve for x
    x = 4,181,077,057,578,752/30,603,639
  6. Step 6: Final answer
    x = 136,620,258.05

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.