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Finding the Third Proportional to 56,718,315 and 124,117,938

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Solution

The third proportional to 56,718,315 and 124,117,938 is: 271,610,017.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,718,315 : 124,117,938 = 124,117,938 : x
  2. Step 2: Convert to fraction form
    56,718,315/124,117,938 = 124,117,938/x
  3. Step 3: Cross multiply
    56,718,315x = 124,117,938 × 124,117,938
  4. Step 4: Simplify right side
    56,718,315x = 15,405,262,533,371,844
  5. Step 5: Solve for x
    x = 15,405,262,533,371,844/56,718,315
  6. Step 6: Final answer
    x = 271,610,017.56

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.