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Finding the Third Proportional to 129,475,130 and 277,371,954

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Solution

The third proportional to 129,475,130 and 277,371,954 is: 594,208,330.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,475,130 : 277,371,954 = 277,371,954 : x
  2. Step 2: Convert to fraction form
    129,475,130/277,371,954 = 277,371,954/x
  3. Step 3: Cross multiply
    129,475,130x = 277,371,954 × 277,371,954
  4. Step 4: Simplify right side
    129,475,130x = 76,935,200,865,778,112
  5. Step 5: Solve for x
    x = 76,935,200,865,778,112/129,475,130
  6. Step 6: Final answer
    x = 594,208,330.71

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.