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Finding the Third Proportional to 175,607,030.25 and 390,477,019.50

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Solution

The third proportional to 175,607,030.25 and 390,477,019.50 is: 868,258,534.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,607,030.25 : 390,477,019.50 = 390,477,019.50 : x
  2. Step 2: Convert to fraction form
    175,607,030.25/390,477,019.50 = 390,477,019.50/x
  3. Step 3: Cross multiply
    175,607,030.25x = 390,477,019.50 × 390,477,019.50
  4. Step 4: Simplify right side
    175,607,030.25x = 152,472,302,757,603,392
  5. Step 5: Solve for x
    x = 152,472,302,757,603,392/175,607,030.25
  6. Step 6: Final answer
    x = 868,258,534.64

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.