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Finding the Third Proportional to 130,768,090 and 277,476,020

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Solution

The third proportional to 130,768,090 and 277,476,020 is: 588,774,690.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,768,090 : 277,476,020 = 277,476,020 : x
  2. Step 2: Convert to fraction form
    130,768,090/277,476,020 = 277,476,020/x
  3. Step 3: Cross multiply
    130,768,090x = 277,476,020 × 277,476,020
  4. Step 4: Simplify right side
    130,768,090x = 76,992,941,675,040,400
  5. Step 5: Solve for x
    x = 76,992,941,675,040,400/130,768,090
  6. Step 6: Final answer
    x = 588,774,690.18

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.