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Finding the Third Proportional to 30,402,258 and 66,884,908

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Solution

The third proportional to 30,402,258 and 66,884,908 is: 147,146,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,402,258 : 66,884,908 = 66,884,908 : x
  2. Step 2: Convert to fraction form
    30,402,258/66,884,908 = 66,884,908/x
  3. Step 3: Cross multiply
    30,402,258x = 66,884,908 × 66,884,908
  4. Step 4: Simplify right side
    30,402,258x = 4,473,590,918,168,464
  5. Step 5: Solve for x
    x = 4,473,590,918,168,464/30,402,258
  6. Step 6: Final answer
    x = 147,146,666.48

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.