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Finding the Third Proportional to 64,641,954 and 139,539,480

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Solution

The third proportional to 64,641,954 and 139,539,480 is: 301,217,170.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,641,954 : 139,539,480 = 139,539,480 : x
  2. Step 2: Convert to fraction form
    64,641,954/139,539,480 = 139,539,480/x
  3. Step 3: Cross multiply
    64,641,954x = 139,539,480 × 139,539,480
  4. Step 4: Simplify right side
    64,641,954x = 19,471,266,478,670,400
  5. Step 5: Solve for x
    x = 19,471,266,478,670,400/64,641,954
  6. Step 6: Final answer
    x = 301,217,170.49

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.