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Finding the Third Proportional to 138,958,108 and 296,999,492

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Solution

The third proportional to 138,958,108 and 296,999,492 is: 634,786,264.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,958,108 : 296,999,492 = 296,999,492 : x
  2. Step 2: Convert to fraction form
    138,958,108/296,999,492 = 296,999,492/x
  3. Step 3: Cross multiply
    138,958,108x = 296,999,492 × 296,999,492
  4. Step 4: Simplify right side
    138,958,108x = 88,208,698,248,258,064
  5. Step 5: Solve for x
    x = 88,208,698,248,258,064/138,958,108
  6. Step 6: Final answer
    x = 634,786,264.13

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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.