Home / 139,823,070.75-210,318,368.06

Finding the Third Proportional to 139,823,070.75 and 210,318,368.06

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Solution

The third proportional to 139,823,070.75 and 210,318,368.06 is: 316,355,632.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,823,070.75 : 210,318,368.06 = 210,318,368.06 : x
  2. Step 2: Convert to fraction form
    139,823,070.75/210,318,368.06 = 210,318,368.06/x
  3. Step 3: Cross multiply
    139,823,070.75x = 210,318,368.06 × 210,318,368.06
  4. Step 4: Simplify right side
    139,823,070.75x = 44,233,815,944,473,224
  5. Step 5: Solve for x
    x = 44,233,815,944,473,224/139,823,070.75
  6. Step 6: Final answer
    x = 316,355,632.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.