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Finding the Third Proportional to 30,063,378 and 64,378,275

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Solution

The third proportional to 30,063,378 and 64,378,275 is: 137,860,831.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,063,378 : 64,378,275 = 64,378,275 : x
  2. Step 2: Convert to fraction form
    30,063,378/64,378,275 = 64,378,275/x
  3. Step 3: Cross multiply
    30,063,378x = 64,378,275 × 64,378,275
  4. Step 4: Simplify right side
    30,063,378x = 4,144,562,291,975,625
  5. Step 5: Solve for x
    x = 4,144,562,291,975,625/30,063,378
  6. Step 6: Final answer
    x = 137,860,831.61

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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.